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Author

Boris Capitanu

Creation date

06/06/2011

Firing policy

all

Package

org.seasr.meandre.components.tools.tuples

DESCRIPTION

This component pushes unique tuples (uniqueness based on the value of an attribute) on the 'unique_tuples' port and the duplicate tuples on the 'duplicate_tuples' port

INPUTS

Name

Description

Example

meta_tuple
The meta data for tuples
TYPE: org.seasr.datatypes.BasicDataTypes.Strings

 

tuples
The tuples
TYPE: org.seasr.datatypes.BasicDataTypes.StringsArray

 

OUTPUTS

Name

Description

Example

duplicate_tuples
The duplicate tuples
TYPE: org.seasr.datatypes.BasicDataTypes.StringsArray

 

unique_tuples
The unique tuples
TYPE: org.seasr.datatypes.BasicDataTypes.StringsArray

 

error
This port is used to output any unhandled errors encountered during the execution of this component

 

meta_tuple
The meta data for tuples
TYPE: org.seasr.datatypes.BasicDataTypes.Strings

 

PROPERTIES

Name

Description

Default value

_debug_level
Controls the verbosity of debug messages printed by the component during execution.
Possible values are: off, severe, warning, info, config, fine, finer, finest, all
Append ',mirror' to any of the values above to mirror that output to the server logs.
info
per_stream
Whether uniqueness is ascertained per stream (true) or globally, across all streams (false)
true
attribute
The attribute used to determine the uniqueness of tuples
_ignore_errors
Set to 'true' to ignore all unhandled exceptions and prevent the flow from being terminated. Setting this property to 'false' will result in the flow being terminated in the event an unhandled exception is thrown during the execution of this component
false
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